At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

10+10 and 11+11 can give you the same answer.

Explain how?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Can you solve the below tricky visual equation?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What does does this rebus picture means ?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Buy me, smell me or deliver me, I do not change.

Who am I?